Coffee table



FIG. 1 is a perspective view of a coffee table showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is an elevational view showing one of the two identical sides;

FIG. 4 is an elevational view showing one of the two identical ends; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a coffee table, as shown and described. 